WEEDS AND WEED CONTROL

Weed Identification and Classification
Common Weeds in East Africa

By the end of the lesson, the learner should be able to:
Define a weed and give examples. Identify common weeds using botanical and common names. Classify weeds based on growth cycle (annual, biennial, perennial). Classify weeds based on plant morphology (narrow-leaved, broad-leaved).

In groups, learners are guided to:
Exposition of weed definition concepts. Discussion on weed identification methods. Drawing and labeling common weeds. Brief discussion on classification systems.

Charts showing common weeds. Weed identification guides. Drawing materials for weed illustrations. Classification system charts.
Pictures of common East African weeds. Weed characteristic charts. Competitive ability factor guides. Local weed examples.

KLB BK III Pgs 192-199

WEEDS AND WEED CONTROL

Competitive Ability of Weeds

By the end of the lesson, the learner should be able to:
State factors contributing to competitive ability of weeds. Explain weed propagation methods. Describe environmental adaptation of weeds. Discuss weed survival mechanisms.

In groups, learners are guided to:
Discussion on weed competitive factors. Exposition of propagation methods. Brief discussion on environmental adaptation. Question and answer on survival mechanisms.

Weed propagation method charts. Environmental adaptation illustrations. Survival mechanism diagrams. Competitive factor identification guides.

KLB BK III Pgs 200-202

WEEDS AND WEED CONTROL

Harmful Effects of Weeds

By the end of the lesson, the learner should be able to:
Highlight harmful effects of weeds on crops. State how weeds reduce crop quality. Explain parasitic effects of weeds. Describe effects on livestock and human health.

In groups, learners are guided to:
Brain storming on weed damage to crops. Discussion on quality reduction effects. Exposition of parasitic weeds (Striga). Brief discussion on health effects.

Weed damage pictures. Crop quality comparison charts. Striga parasitism illustrations. Health effect information guides.

KLB BK III Pgs 166-167

WEEDS AND WEED CONTROL

More Harmful Effects and Benefits of Weeds
Chemical Weed Control - Introduction and Mode of Action

By the end of the lesson, the learner should be able to:
State effects of weeds on irrigation and aquatic systems. Explain effects on pasture quality. Describe beneficial effects of weeds. Discuss weeds as sources of food and medicine.

In groups, learners are guided to:
Discussion on aquatic weed problems. Exposition of pasture effects. Brief discussion on weed benefits. Question and answer on food and medicinal uses.

Aquatic weed pictures (water hyacinth). Pasture quality comparison charts. Beneficial weed examples. Food and medicine use illustrations.
Weed control method charts. Herbicide action diagrams. Mode of action illustrations. Herbicide effect demonstrations.

KLB BK III Pgs 166-167

WEEDS AND WEED CONTROL

Classification of Herbicides - Formulation and Application Time

By the end of the lesson, the learner should be able to:
Classify herbicides by formulation (liquids, wettable powders). Classify herbicides by time of application (pre-emergence, post-emergence). Explain advantages of different formulations. State when to apply different herbicide types.

In groups, learners are guided to:
Discussion on herbicide formulations. Exposition of application timing. Brief discussion on formulation advantages. Question and answer on application timing.

Herbicide formulation examples. Application timing charts. Formulation advantage guides. Timing recommendation tables.

KLB BK III Pgs 205-206

WEEDS AND WEED CONTROL

Factors Affecting Selectivity and Effectiveness of Herbicides
Herbicide Combinations and Safety Precautions

By the end of the lesson, the learner should be able to:
State factors affecting selectivity of herbicides. Explain factors affecting effectiveness of herbicides. Describe plant characteristics influencing herbicide action. Discuss environmental factors affecting herbicides.

In groups, learners are guided to:
Brain storming on selectivity factors. Discussion on effectiveness factors. Exposition of plant characteristic effects. Brief discussion on environmental influences.

Selectivity factor charts. Effectiveness factor guides. Plant characteristic illustrations. Environmental factor diagrams.
Herbicide combination charts for different crops. Safety precaution guides. Protective equipment illustrations. Safe handling procedure charts.

KLB BK III Pgs 205-206

WEEDS AND WEED CONTROL

Advantages and Disadvantages of Chemical Control

By the end of the lesson, the learner should be able to:
State advantages of using herbicides. Identify disadvantages of chemical weed control. Compare chemical control with other methods. Discuss environmental concerns of herbicide use.

In groups, learners are guided to:
Brain storming on herbicide advantages. Discussion on chemical control disadvantages. Exposition of method comparisons. Brief discussion on environmental effects.

Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Mechanical Weed Control

By the end of the lesson, the learner should be able to:
State advantages of tillage as weed control method. Explain disadvantages of mechanical cultivation. Describe slashing and uprooting methods. Compare mechanical methods with chemical control.

In groups, learners are guided to:
Discussion on tillage advantages and disadvantages. Exposition of mechanical methods. Brief discussion on method comparisons. Question and answer on mechanical techniques.

Mechanical control tool pictures. Tillage advantage/disadvantage charts. Method comparison tables. Mechanical technique illustrations.

KLB BK III Pgs 209-210

WEEDS AND WEED CONTROL
CROP PRODUCTION VI (FIELD PRACTICES II)
CROP PRODUCTION VI (FIELD PRACTICES II)

Cultural, Biological and Legislative Control
Maize - ecological requirements and varieties
Maize - land preparation and planting

By the end of the lesson, the learner should be able to:
Identify cultural methods of weed control. Define biological weed control and give examples. Explain legislative methods of weed control. Describe noxious weed laws in Kenya.

In groups, learners are guided to:
Brain storming on cultural control methods. Discussion on biological control examples. Exposition of legislative control. Brief discussion on noxious weed laws.

Cultural control method charts. Biological control examples. Legislative control illustrations. Noxious weed law information.
Charts showing ecological zones, maize variety samples, maps of Kenya showing maize growing areas
Farm tools, certified maize seeds, measuring equipment, charts showing planting procedures

KLB BK III Pgs 210-211

CROP PRODUCTION VI (FIELD PRACTICES II)

Maize - field operations
Maize - pest and disease control
Finger millet production

By the end of the lesson, the learner should be able to:
Explain fertilizer application methods and timing in maize. Describe weed control methods in maize production. Outline the importance of proper field management. State recommended fertilizer rates for maize.

In groups, learners are guided to:
Exposition of fertilizer application. Discussion on weed control methods. Demonstration of fertilizer calculation.

Fertilizer samples, calculators, charts showing application methods, herbicide containers
Pictures of maize pests, damaged maize plants, pest control chemicals
Finger millet samples, charts showing ecological requirements, pictures of finger millet fields

KLB BK III Pg 201-202

CROP PRODUCTION VI (FIELD PRACTICES II)

Finger millet - field management and pest control
Bulrush millet and sorghum production
Sorghum - pest and disease control

By the end of the lesson, the learner should be able to:
Describe fertilizer application in finger millet. Explain weed control challenges in finger millet. Identify pests and diseases affecting finger millet. Outline harvesting and storage methods.

In groups, learners are guided to:
Discussion on field management. Brain storming on pest control. Exposition of harvesting methods.

Fertilizer samples, finger millet storage containers, pictures of head blast disease
Bulrush millet and sorghum samples, charts comparing crop characteristics
Pictures of quelea birds, damaged sorghum plants, sorghum harvesting tools

KLB BK III Pg 206-207

CROP PRODUCTION VI (FIELD PRACTICES II)

Beans production
Beans - field operations and pest control

By the end of the lesson, the learner should be able to:
Outline ecological requirements for beans production. Identify bean varieties including dry beans and French beans. Describe land preparation and planting methods for beans. Explain importance of beans as protein source.

In groups, learners are guided to:
Exposition of bean growing conditions. Discussion on variety selection. Examination of different bean varieties.

Different bean variety samples, charts showing ecological requirements
Pictures of bean diseases, diseased bean specimens, irrigation equipment

KLB BK III Pg 211-212

CROP PRODUCTION VI (FIELD PRACTICES II)

Rice production

By the end of the lesson, the learner should be able to:
Outline ecological requirements for rice production. Describe rice irrigation schemes in Kenya. Explain land preparation and water control in rice. State fertilizer application methods in rice production.

In groups, learners are guided to:
Exposition of rice growing conditions. Discussion on irrigation importance. Case study of Mwea rice scheme.

Maps showing rice schemes, pictures of rice fields, water control equipment

KLB BK III Pg 214-215

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - cotton and pyrethrum

By the end of the lesson, the learner should be able to:
Describe harvesting methods and procedures for cotton. Explain grading of cotton during harvesting. Outline harvesting methods for pyrethrum flowers. State precautions during harvesting of these crops.

In groups, learners are guided to:
Demonstration of cotton grading. Discussion on harvesting procedures. Brain storming on quality maintenance.

Cotton samples showing different grades, pyrethrum flowers, harvesting baskets

KLB BK III Pg 215-217

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - sugarcane and coffee
Harvesting of industrial crops - tea

By the end of the lesson, the learner should be able to:
Describe harvesting methods for sugarcane including maturation indicators. Explain procedures for coffee cherry harvesting. State quality factors in coffee harvesting. Outline precautions during harvesting of tree crops.

In groups, learners are guided to:
Discussion on crop maturation signs. Examination of coffee cherries at different stages. Brain storming on quality maintenance.

Sugarcane samples, coffee cherries at different ripeness stages, harvesting tools
Tea plucking stick, tea baskets, fresh tea specimens showing different plucking standards

KLB BK III Pg 217-218

FORAGE CROPS

Introduction and pasture classification
Pasture establishment and planting materials
Fertilizer application and legume inoculation

By the end of the lesson, the learner should be able to:
Define forage crops and distinguish between forage and fodder crops. Define pasture and classify pastures according to stand, establishment and ecological zones. Explain the difference between natural and artificial pastures. Give examples of pastures at different altitudes.

In groups, learners are guided to:
Exposition of forage concepts. Discussion on pasture classification. Examination of grass and legume specimens from different zones.

Charts showing pasture classification, specimens of grasses and legumes, altitude maps
Farm tools, pasture seeds, rhizomes, splits, charts showing sowing methods
Fertilizer samples, rhizobium inoculant, charts showing nitrogen fixation, legume nodules

KLB BK III Pg 218-222

FORAGE CROPS

Pasture management practices
Pasture utilization and defoliation
Carrying capacity and grazing systems

By the end of the lesson, the learner should be able to:
Identify effects of weeds on pasture productivity and explain control measures. Describe top dressing procedures and reasons. Explain topping, reseeding and controlled grazing methods. State pest control measures in pastures.

In groups, learners are guided to:
Brain storming on weed problems and management practices. Discussion on fertilizer selection and grazing control. Demonstration of management principles.

Pictures of pasture weeds, fertilizer samples, slashing tools, charts showing management practices
Charts showing defoliation effects, pasture quality samples, grazing schedules
Calculators, carrying capacity charts, paddocking diagrams, pictures of grazing methods

KLB BK III Pg 227-230

FORAGE CROPS

Napier grass production
Other fodder crops

By the end of the lesson, the learner should be able to:
Outline ecological requirements for napier grass. Distinguish between French Cameroon and Bana grass varieties. Describe land preparation and planting procedures. Explain fertilizer application, weed control and defoliation management.

In groups, learners are guided to:
Exposition of napier grass characteristics. Discussion on variety selection and management. Demonstration of planting procedures.

Napier grass specimens, stem cuttings with nodes, fertilizer samples, cutting tools
Guatemala grass specimens, mangold samples, clover and lucerne specimens, desmodium varieties

KLB BK III Pg 237-240

FORAGE CROPS

Agroforestry fodder and conservation introduction
Hay making

By the end of the lesson, the learner should be able to:
Outline establishment and utilization of agroforestry shrubs as fodder. Explain reasons for conserving forage including seasonal feed distribution. State methods of forage conservation. Compare hay, silage and standing forage conservation.

In groups, learners are guided to:
Discussion on agroforestry benefits. Exposition of conservation importance. Brain storming on conservation method selection.

Leucaenia and calliandra samples, charts showing conservation methods, seasonal feed charts
Hay samples, charts showing hay making process, storage equipment diagrams

KLB BK III Pg 244-245

FORAGE CROPS

Silage making and silo types

By the end of the lesson, the learner should be able to:
Describe silage making process and advantages over hay. Compare different types of silos including trench, clamp and tower silos. Explain steps followed in making silage. State principles of silage preservation and fermentation.

In groups, learners are guided to:
Discussion on silage advantages. Examination of silo diagrams. Exposition of fermentation principles and preservation.

Charts showing silo types, silage samples, fermentation diagrams, pH testing materials

KLB BK III Pg 247-249

FORAGE CROPS
LIVESTOCK HEALTH III
LIVESTOCK HEALTH III

Silage quality and requirements calculation
Introduction to livestock diseases and observable conditions
Terms used in livestock diseases

By the end of the lesson, the learner should be able to:
Explain factors affecting silage quality and use of additives. Describe silage losses and prevention methods. Calculate silage requirements based on animal dry matter needs. Outline standing forage as alternative conservation method.

In groups, learners are guided to:
Calculation exercises on silage requirements. Discussion on quality factors and additive use. Brain storming on loss prevention strategies.

Calculators, silage quality charts, additive samples, measurement tools, calculation worksheets
Charts showing disease symptoms, thermometer, pictures of sick animals, disease organism diagrams
Charts showing immunity types, vaccine samples, timeline charts for incubation periods

KLB BK III Pg 249-250

LIVESTOCK HEALTH III

Classification and protozoan diseases - ECF and anaplasmosis
Protozoan diseases - coccidiosis and trypanosomiasis
Bacterial diseases - mastitis

By the end of the lesson, the learner should be able to:
Classify livestock diseases into four major groups. Describe East Coast Fever including animals affected and symptoms. Explain anaplasmosis (gall sickness) symptoms and transmission. State control measures for tick-borne diseases.

In groups, learners are guided to:
Exposition of disease classification. Discussion on protozoan diseases. Examination of tick specimens. Brain storming on tick control methods.

Disease classification charts, tick specimens, pictures of ECF symptoms, maps showing disease distribution
Pictures of coccidiosis symptoms, tsetse fly specimens, maps showing trypanosomiasis areas, drug samples
Pictures of mastitis symptoms, milk samples showing mastitis, milking equipment, antibiotic samples

KLB BK III Pg 252-254

LIVESTOCK HEALTH III

Bacterial diseases - fowl typhoid and foot rot
Bacterial diseases - contagious abortion and scours

By the end of the lesson, the learner should be able to:
Describe fowl typhoid symptoms and control in poultry. Explain foot rot in cloven-hoofed animals. Identify predisposing factors for foot rot including wet conditions. State control measures including foot baths and hoof trimming.

In groups, learners are guided to:
Discussion on poultry diseases. Examination of foot rot symptoms. Demonstration of hoof trimming principles. Brain storming on hygiene importance.

Pictures of fowl typhoid symptoms, foot rot specimens, hoof trimming tools, foot bath chemicals
Charts showing brucellosis transmission, pictures of scours symptoms, vaccination schedules, hygiene materials

KLB BK III Pg 257-259

LIVESTOCK HEALTH III

Bacterial diseases - black quarter, anthrax and pneumonia
Viral diseases - rinderpest and foot and mouth disease

By the end of the lesson, the learner should be able to:
Describe black quarter symptoms and spore-forming bacteria. Explain anthrax as notifiable disease affecting all warm-blooded animals. Describe pneumonia in young animals and predisposing factors. State control measures including vaccination and proper disposal.

In groups, learners are guided to:
Discussion on acute bacterial diseases. Exposition of notifiable diseases. Brain storming on disease prevention. Case study of anthrax control.

Pictures of black quarter symptoms, anthrax control procedures, vaccination equipment, ventilation diagrams
Pictures of rinderpest symptoms, foot and mouth disease lesions, quarantine procedures, vaccination records

KLB BK III Pg 261-263

LIVESTOCK HEALTH III

Viral diseases - Newcastle, fowl pox and Gumboro
Viral diseases - African swine fever

By the end of the lesson, the learner should be able to:
Describe Newcastle disease symptoms and high mortality. Explain fowl pox types including cutaneous and diphtheritic forms. Describe Gumboro disease affecting immune system. State control measures for poultry viral diseases.

In groups, learners are guided to:
Discussion on poultry viral diseases. Examination of fowl pox lesions. Brain storming on vaccination schedules. Case study of Gumboro (poultry AIDS).

Pictures of Newcastle symptoms, fowl pox lesions, Gumboro symptoms, poultry vaccination equipment
Pictures of African swine fever symptoms, pig management charts, quarantine procedures, disease control equipment

KLB BK III Pg 265-267

LIVESTOCK HEALTH III

Nutritional disorders - milk fever and bloat

By the end of the lesson, the learner should be able to:
Describe milk fever as calcium deficiency in dairy cows. Explain symptoms including muscle twitching and paralysis. Describe bloat as gas accumulation in rumen. Outline treatment methods including calcium injection and gas release techniques.

In groups, learners are guided to:
Discussion on nutritional disorders. Demonstration of calcium injection principles. Brain storming on nutritional management. Case study of bloat treatment.

Calcium injection equipment, charts showing milk fever symptoms, bloat treatment tools, nutritional supplements

KLB BK III Pg 268-270